Medical Scientist

Medical scientists conduct research aimed at improving overall human health. They often use clinical trials and other investigative methods to reach their findings.

Medical scientists typically do the following:

Conduct studies that investigate human diseases and methods of preventive care and treatment of diseases
Develop instruments for medical applications
Prepare and analyze medical samples and data to investigate causes and treatment of toxicity, pathogens, or chronic diseases
Standardize drug potency, doses, and methods to allow for the mass manufacturing and distribution of drugs and medicinal compounds
Work with health departments, industry personnel, and physicians to develop programs that improve health outcomes
Apply for funding from government agencies and private funding sources, by writing research grant proposals
Follow procedures to avoid contamination and maintain safety

Many medical scientists, especially in universities, work with little supervision, forming their own hypotheses and developing experiments, accordingly. They often lead teams of technicians, and sometimes students, who perform support tasks. For example, a medical scientist working in a university laboratory may have undergraduate assistants take measurements and make observations for the scientist’s research.

Medical scientists study the causes of diseases and other health problems. For example, a medical scientist who does cancer research might put together a combination of drugs that could slow the cancer’s progress. A clinical trial may be done to test the drugs. A medical scientist may work with licensed physicians, to test the new combination on patients who are willing to participate in the study.

In a clinical trial, patients agree to help determine if a particular drug, or combination of drugs, or other medical intervention works. Without knowing which group they are in, patients in a drug-related clinical trial either receive the trial drug or they receive a placebo, a pill or injection that looks like the trial drug but does not actually contain the drug.

Medical scientists analyze the data from all the patients in the clinical trial, to see how the trial drug performed. They compare the results to the control group that took the placebo and analyze the attributes of the participants. Publishing the findings is a very important final step in the process.

Medical scientists do research both to develop new treatments and to try to prevent health problems. For example, they may study the link between smoking and lung cancer or between diet and diabetes.

Medical scientists who work in private industry usually have to research the topics that benefit the company the most, rather than investigate their own interests. Although they may not have the pressure of writing grant proposals to get money for their research, they may have to explain their research plans to non-scientist managers or executives.

Medical scientists usually specialize in an area of research. The following are examples of types of medical scientists:

Cancer researchers research ways to prevent and cure cancers. They may specialize in one or more types of cancer.

Clinical and medical informaticians develop new ways to use large data sets. They look for explanations of health outcomes through the statistical analysis of existing data.

Clinical pharmacologists research, develop, and test existing and new drugs. They investigate the full effects drugs have on human health. Their interests may range from understanding specific molecules to the effects drugs have on large populations.

Gerontologists study the changes that people go through as they get older. Medical scientists who specialize in this field seek to understand the biology of aging and investigate ways to improve the quality of our later years.

Immunochemists investigate the reactions and effects various chemicals and drugs have on the human immune system.

Neuroscientists study the brain and nervous system.

Pharmacologists develop and research the effects of medicines.

Research histologists have a specific skill set that is used to research human tissue. They study how tissue grows, heals, and dies, and may investigate grafting techniques that can help people who have experienced serious injury.

Serologists research the serums, such as blood and saliva, found in the human body. Applied serologists often work in forensic science. For more information on forensic science, see the profile on forensic science technicians.

Toxicologists research the harmful effects of drugs, household chemicals, and other potentially poisonous substances. They may ensure the safety of drugs by investigating safe dosage limits.

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Medical scientists typically have an interest in the Doer, Thinker and Creator interest areas, according to the Holland Code framework. The Doer interest area indicates a focus on working with tools and machines, and making or fixing practical things. The Thinker interest area indicates a focus on researching, investigating, and increasing the understanding of natural laws. The Creator interest area indicates a focus on being original and imaginative, and working with artistic media.

If you are not sure whether you have a Doer or Thinker or Creator interest which might fit with a career as a medical scientist, you can take a career test to measure your interests.

Medical scientists should also possess the following specific qualities:

Communication skills. Communication is critical, because medical scientists must be able to explain their conclusions. In addition, medical scientists write grant proposals, which are often required to continue their research.

Critical-thinking skills. Medical scientists must use their expertise to determine the best method for solving a specific research question.

Data-analysis skills. Medical scientists use statistical techniques, so that they can properly quantify and analyze health research questions.

Decision-making skills. Medical scientists must use their expertise and experience to determine what research questions to ask, how best to investigate the questions, and what data will best answer the questions.

Observation skills. Medical scientists conduct experiments that require precise observation of samples and other health data. Any mistake could lead to inconclusive or misleading results.

Athletic trainers specialize in preventing, diagnosing, and treating muscle and bone injuries and illnesses. Exercise physiologists develop fitness and exercise programs that help patients recover from chronic diseases and improve cardiovascular function, body composition, and flexibility.

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Biomedical engineers analyze and design solutions to problems in biology and medicine, with the goal of improving the quality and effectiveness of patient care.

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Chiropractors treat patients with health problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons.

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Dentists diagnose and treat problems with a patient’s teeth, gums, and related parts of the mouth. They provide advice and instruction on taking care of teeth and gums and on diet choices that affect oral health.

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Dietitians and nutritionists are experts in food and nutrition. They advise people on what to eat in order to lead a healthy lifestyle or achieve a specific health-related goal.

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Emergency medical technicians (EMTs) and paramedics care for the sick or injured in emergency medical settings. People’s lives often depend on their quick reaction and competent care. EMTs and paramedics respond to emergency calls, performing medical services and transporting patients to medical facilities.

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Epidemiologists are public health professionals who investigate patterns and causes of disease and injury in humans. They seek to reduce the risk and occurrence of negative health outcomes through community education and health policy.

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Medical laboratory technologists (commonly known as medical laboratory scientists) and medical laboratory technicians collect samples and perform tests to analyze body fluids, tissue, and other substances.

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Nurses or registered nurses (RNs) provide and coordinate patient care, educate patients and the public about various health conditions, and provide advice and emotional support to patients and their family members.

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Occupational therapy assistants and aides help patients develop, recover, and improve the skills needed for daily living and working. Occupational therapy assistants are directly involved in providing therapy to patients, while occupational therapy aides typically perform support activities. Both assistants and aides work under the direction of occupational therapists.

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Optometrists examine the eyes and other parts of the visual system. They also diagnose, and treat visual problems, and manage diseases, injuries, and other disorders of the eyes. They prescribe eyeglasses or contact lenses as needed.

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Orthotists and prosthetists, also called O&P professionals, design medical supportive devices and measure and fit patients for them. These devices include artificial limbs (arms, hands, legs, and feet), braces, and other medical or surgical devices.

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Pharmacists dispense prescription medications to patients and offer expertise in the safe use of prescriptions. They also may provide advice on how to lead a healthy lifestyle, conduct health and wellness screenings, provide immunizations, and oversee the medications given to patients.

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Physical therapists help injured or ill people improve their movement and manage their pain. These therapists are often an important part of rehabilitation and treatment of patients with chronic conditions or injuries.

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Physicians and surgeons diagnose and treat injuries or illnesses. Physicians examine patients; take medical histories; prescribe medications; and order, perform, and interpret diagnostic tests. They counsel patients on diet, hygiene, and preventive healthcare. Surgeons operate on patients to treat injuries, such as broken bones; diseases, such as cancerous tumors; and deformities, such as cleft palates.

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Psychiatric technicians and aides care for people who have mental illness and developmental disabilities. Technicians typically provide therapeutic care. Aides help patients in their daily activities and ensure a safe, clean environment.

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Veterinarians care for the health of animals and work to improve public health. They diagnose, treat, and research medical conditions and diseases of pets, livestock, and other animals.

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